Add west's blackhole script

Signed-off-by: David Young <[email protected]>

apps/wests-blackhole-script/Dockerfile

@@ -0,0 +1,38 @@
+FROM alpine as cloner
+ARG VERSION
+RUN apk add --update --no-cache tmux ttyd git && \
+    git clone -b $VERSION https://github.com/westsurname/scripts.git  /source
+
+FROM python:3.9-slim
+
+ARG SERVICE_NAME=blackhole
+
+# Set working directory
+WORKDIR /app
+
+# Copy only the files needed for pip install to maximize cache utilization
+COPY --from=cloner /source/requirements.txt ./
+
+# Install Python dependencies
+RUN grep -E "#.*($SERVICE_NAME|all)" requirements.txt | awk '{print $0}' > service_requirements.txt && \
+    pip install --no-cache-dir -r service_requirements.txt
+
+# Copy the rest of the application
+COPY --from=cloner /source/. .
+
+CMD ["python", "blackhole_watcher.py"]
+
+# Add tmux
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+    tmux
+
+# Add ttyd
+ADD --chmod=755 https://github.com/tsl0922/ttyd/releases/download/1.7.7/ttyd.x86_64 /usr/local/bin/ttyd
+
+COPY --chown=568:568 apps/wests-blackhole-script/blackhole.sh /
+COPY --chown=568:568 apps/wests-blackhole-script/launch-tmux.sh /
+COPY --chown=568:568 apps/wests-blackhole-script/entrypoint.sh /
+COPY --chown=568:568 apps/wests-blackhole-script/restricted.tmux.conf /
+
+ENTRYPOINT ["/entrypoint.sh"]

apps/wests-blackhole-script/blackhole.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+
+cd /app
+python blackhole_watcher.py

apps/wests-blackhole-script/ci/goss.yaml

@@ -0,0 +1,5 @@
+---
+# https://github.com/aelsabbahy/goss/blob/master/docs/manual.md#process
+process:
+  python3:
+    running: true

apps/wests-blackhole-script/ci/latest.sh

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+version=$(curl -sX GET https://api.github.com/repos/westsurname/scripts/releases/latest --header "Authorization: Bearer ${TOKEN}" | jq --raw-output '. | .tag_name')
+version="${version#*release-}"
+printf "%s" "${version}"

apps/wests-blackhole-script/entrypoint.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+# Start riven in the background
+tmux -f /restricted.tmux.conf new-session -x 80 -y 24 -A -d -s blackhole /blackhole.sh
+
+# Prepare a tmux entry to the already-running process, use solarized dark colors
+ttyd -p 3001 -W \
+ -t titleFixed='Blackhole | ElfHosted' \
+ -t 'theme={"background": "#1c1c1c", "brightGreen": "#585858", "blue": "#0087ff", "black": "#262626", "brightBlack": "#1c1c1c", "brightBlue": "#808080", "brightCyan": "#8a8a8a", "brightMagenta": "#5f5faf", "brightRed": "#d75f00", "brightWhite": "#ffffd7", "brightYellow": "#626262", "cyan": "#00afaf", "green": "#5f8700", "magenta": "#af005f", "red": "#d70000", "white": "#e4e4e4", "yellow": "#af8700"}' \
+ -t drawBoldTextInBrightColors=false \
+ /launch-tmux.sh

apps/wests-blackhole-script/launch-tmux.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+
+tmux -f /restricted.tmux.conf new-session -A -s blackhole /blackhole.sh
+

apps/wests-blackhole-script/metadata.json

@@ -0,0 +1,17 @@
+{
+  "app": "wests-blackhole-script",
+  "base": false,
+  "channels": [
+    {
+      "name": "main",
+      "platforms": [
+        "linux/amd64"
+      ],
+      "stable": true,
+      "tests": {
+        "enabled": false,
+        "type": "web"
+      }
+    }
+  ]
+}

apps/wests-blackhole-script/restricted.tmux.conf

@@ -0,0 +1,19 @@
+# Always launch PD
+set -g default-command "/blackhole.sh"
+
+# "lock down" tmux
+unbind C-b
+unbind %
+unbind '"'
+unbind c
+set -g mouse off
+
+# Disable status bar
+set -g status off
+
+# Disable special characters on scrolling
+set -g terminal-overrides 'xterm*:smcup@:rmcup@'
+
+# resize as requested
+# set -g window-size latest
+setw -g aggressive-resize on